Finding the Fourth Proportional to 162,487,485.20, 243,589,510.20 and 97,817,020.40
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Solution
The fourth proportional to 162,487,485.20, 243,589,510.20 and 97,817,020.40 is: 146,640,216.99
Step by Step Solution
- Step 1: Write the proportion equation
162,487,485.20 : 243,589,510.20 = 97,817,020.40 : x - Step 2: Convert to fraction form
162,487,485.20/243,589,510.20 = 97,817,020.40/x - Step 3: Cross multiply
162,487,485.20x = 243,589,510.20 × 97,817,020.40 - Step 4: Simplify right side
162,487,485.20x = 23,827,200,088,459,408 - Step 5: Solve for x
x = 23,827,200,088,459,408/162,487,485.20 - Step 6: Final answer
x = 146,640,216.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.